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FIXED ASSETS, NET - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Property, Plant and Equipment [Line Items] |  |  |
Depreciation expense | $ 12,138 | $ 6,806 | $ 4,083
Telecommunications network infrastructure |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, gross | 37,663 | 0 |
Construction in progress |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, gross | $ 40,002 | $ 8,165 |

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